Reupload: Read First To answer the question One of Tubman’s last trips on the Underground Railroad was to bring her parents to Canada. Shortly after that, the Civil War started.

Which detail should be added to create an effective summary?

During the war, Tubman's mainly worked for the army as a nurse and a cook.

Throughout his life, Tubman’s father helped many people trying to escape from slavery.

Tubman’s parents were elderly, so the trip across the country was difficult.

During the war, Tubman focused on helping the army free people held in slavery.